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Son of Johan George Sieberhagen, b1 and Christina/Catharina Petronella Jacobs Brother of Maria Johanna Margaretha Leeb, b1c1; Johanna Hilda SIeberhagen; Johan Georg Pieter Sieberhagen; Pieter Daniel Sieberhagen; Johann Hendrik Reinhardt Sieberhagen and 4 others; Christina Petronella Johanna Sieberhagen; Willem Gerd Sieberhagen, b1c; Pieter George Sieberhagen and Johanna Aletta Sieberhagen, b1c « less Half brother of Maria Barbara van Amstel Sieberhagen, b1c